81497286

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6829}}^1$

素因数の和:6870

約数の個数: 64

約数和(自身を含む): 206539200

約数和(自身を除く): 125041914

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 102, 117, 153, 221, 234, 306, 351, 442, 459, 663, 702, 918, 1326, 1989, 3978, 5967, 6829, 11934, 13658, 20487, 40974, 61461, 88777, 116093, 122922, 177554, 184383, 232186, 266331, 348279, 368766, 532662, 696558, 798993, 1044837, 1509209, 1597986, 2089674, 2396979, 3018418, 3134511, 4527627, 4793958, 6269022, 9055254, 13582881, 27165762, 40748643, 81497286]

約数ペア:

[(1, 81497286), (2, 40748643), (3, 27165762), (6, 13582881), (9, 9055254), (13, 6269022), (17, 4793958), (18, 4527627), (26, 3134511), (27, 3018418), (34, 2396979), (39, 2089674), (51, 1597986), (54, 1509209), (78, 1044837), (102, 798993), (117, 696558), (153, 532662), (221, 368766), (234, 348279), (306, 266331), (351, 232186), (442, 184383), (459, 177554), (663, 122922), (702, 116093), (918, 88777), (1326, 61461), (1989, 40974), (3978, 20487), (5967, 13658), (6829, 11934)]